diff --git a/framework/src/Volo.Abp.Core/Volo/Abp/SimpleStateChecking/SimpleStateCheckerSerializer.cs b/framework/src/Volo.Abp.Core/Volo/Abp/SimpleStateChecking/SimpleStateCheckerSerializer.cs
index 5943dd4509..21cddb437f 100644
--- a/framework/src/Volo.Abp.Core/Volo/Abp/SimpleStateChecking/SimpleStateCheckerSerializer.cs
+++ b/framework/src/Volo.Abp.Core/Volo/Abp/SimpleStateChecking/SimpleStateCheckerSerializer.cs
@@ -7,7 +7,7 @@ namespace Volo.Abp.SimpleStateChecking;
 
 public class SimpleStateCheckerSerializer : 
     ISimpleStateCheckerSerializer,
-    ITransientDependency
+    ISingletonDependency
 {
     private readonly IEnumerable<ISimpleStateCheckerSerializerContributor> _contributors;
 
diff --git a/framework/src/Volo.Abp.GlobalFeatures/Volo/Abp/GlobalFeatures/GlobalFeaturesSimpleStateCheckerSerializerContributor.cs b/framework/src/Volo.Abp.GlobalFeatures/Volo/Abp/GlobalFeatures/GlobalFeaturesSimpleStateCheckerSerializerContributor.cs
index 0ce0a0bfcd..00f72e423d 100644
--- a/framework/src/Volo.Abp.GlobalFeatures/Volo/Abp/GlobalFeatures/GlobalFeaturesSimpleStateCheckerSerializerContributor.cs
+++ b/framework/src/Volo.Abp.GlobalFeatures/Volo/Abp/GlobalFeatures/GlobalFeaturesSimpleStateCheckerSerializerContributor.cs
@@ -7,7 +7,7 @@ namespace Volo.Abp.GlobalFeatures;
 
 public class GlobalFeaturesSimpleStateCheckerSerializerContributor :
     ISimpleStateCheckerSerializerContributor,
-    ITransientDependency
+    ISingletonDependency
 {
     public string SerializeToJson<TState>(ISimpleStateChecker<TState> checker)
         where TState : IHasSimpleStateCheckers<TState>